ZK-MT21 Digital Power Amplifier Board 2x50W+100W 2.1 Channel Subwoofer AUX 12V 24V Audio Stereo Bluetooth 5.0 Bass Amplifier

👍: 96.6%

220W+220W+350W High Power 2.1 Channel TPA3255 AUX USB Bluetooth Audio Power Amplifier Board Frequency Treble Bass Volume Control

👍: 100.0%

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